package com.zld.smarket.dao;

import com.zld.smarket.pojo.User;
import java.util.List;

public interface UserMapper {
    int deleteByPrimaryKey(Long userid);

    int insert(User record);

    User selectByPrimaryKey(Long userid);

    List<User> selectAll();

    int updateByPrimaryKey(User record);



    User selectByUserName(String username);
}